Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual versão do Hyper Transport tem 22.4 gb/s de largura de banda máxima agregada?
 ###Tabelas: CREATE TABLE administrative_divisions_regions_and_states (administrative_divisions_regions_and_states_id AUTO_INCREMENT PRIMARY KEY, No. INT, State/Region VARCHAR, Districts INT, Town ships INT, Cities/ Towns INT, Wards INT, Village groups INT, Villages INT) CREATE TABLE broadcast_and_reception (broadcast_and_reception_id AUTO_INCREMENT PRIMARY KEY, Episode VARCHAR, Broadcast date VARCHAR, Run time VARCHAR, Viewers (in millions) VARCHAR, Archive VARCHAR) CREATE TABLE frequency_specifications (frequency_specifications_id AUTO_INCREMENT PRIMARY KEY, HyperTransport version INT, Year INT, Max. HT frequency VARCHAR, Max. link width VARCHAR, Max. aggregate bandwidth (bi-directional) VARCHAR, Max. bandwidth at 16-bit unidirectional VARCHAR, Max. bandwidth at 32-bit unidirectional* VARCHAR) CREATE TABLE events (events_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Event VARCHAR, Winner VARCHAR, Team VARCHAR, Series leader VARCHAR) CREATE TABLE season_1:_2008 (season_1:_2008_id AUTO_INCREMENT PRIMARY KEY, # INT, Advocate # 1 VARCHAR, Advocate # 2 VARCHAR, Root of All Evil VARCHAR, Poll winner VARCHAR, Original air date VARCHAR)  
SELECT HyperTransport version FROM frequency_specifications WHERE Max. aggregate bandwidth (bi-directional) = 22.4 gb/s